Simplecom NU405C SuperSpeed USB-C and USB-A to 2.5G Ethernet Network Adapter 2.5Gbps LAN
Not satisfied? Return it within 14 days for a full product refund. Return shipping applies for change-of-mind returns. View policy
NU405C is a SuperSpeed USB to 2.5G Ethernet adapter with USB-C and USB-A hybrid connector. You can instantly add 2.5G network connectivity to your computer via an available USB port, increasing your bandwidth and reducing latency for an optimal network experience that is 2.5 times faster than standard Gigabit Ethernet.
This 2.5G Ethernet adapter features a USB-C and USB-A hybrid connector, which allows you to connect any laptop or desktop computer with an available USB-A or USB-C port. Simply plug the adapter into the USB port on your computer and enjoy fast and stable Ethernet connection. It also supports common Cat5e or Cat6 Ethernet cables, so you don't need to upgrade your existing network cables to take advantage of up to 2.5 times faster network.
Made with a high-quality aluminium housing in a matt finish, this compact and slim USB to Ethernet adapter is a perfect accessory for file transferring, internet browsing, gaming, and HD video streaming with fast and reliable network connection. For travel convenience, this compact adapter takes up little space, so it can be easily fits in a laptop case or pocket.
Features
- USB to 2.5G network adapter with USB-C and USB-A hybrid connector
- Supports data transfer rate up to 2.5Gbps, 2.5x faster than Gigabit Ethernet
- Fully compliant with the IEEE Standard 802.3bz (2.5GBASE-T)
- Supports IPv4/IPv6 and backward compatible 100/1000Mbps networks
- Auto speed negotiation for hassle-free connections
- Crossover Detection & Auto-Correction (Auto MDIX)
- Compact and portable design with sleek aluminium housing
- Powered directly from the USB ports
- Compatible with Windows 7 and above, macOS 10.10 and above, ChromeOS
Specifications
- USB Standard: USB 3.2 Gen 1 (USB3.0)
- USB Connector: USB-A or USB-C
- Network Interface: RJ-45 Ethernet Port
- Ethernet Standard: 2.5GBASE-T (IEEE 802.3bz)
- Data Transfer Rate: 100/1000/2500Mbps, auto-negotiation
- Operation Temperature: 0 - 45°C
- Housing Material: Aluminium
- Dimensions: 6.2 x 3.1x 1.4 cm
- Cable Length: 10cm
- Weight: 40g
- Operating System: Windows 7 and above, macOS 10.10 and above, ChromeOS
📦 Shipping & Delivery
Free Shipping on orders $500+. For orders under $500, a flat postage fee applies based on order weight (from $4.95).
Orders are dispatched within 1–3 business days of payment confirmation. You will receive a tracking email once dispatched.
Standard delivery: 3–7 business days (metro). Regional/WA/NT may take slightly longer.
🔁 Returns & Refunds
We offer 14-day returns on all items.
To be eligible, items must be returned in original, unused condition with all original packaging.
To start a return: email hello@myhappygift.com.au with your order number.
Refunds are processed within 5–10 business days of receiving the returned item.
🛡️ Warranty
All products include a 12-month manufacturer's warranty.
Covers manufacturing defects and faults under normal use conditions.
Does not cover accidental damage, misuse, or normal wear and tear.
To make a warranty claim, email hello@myhappygift.com.au with your order number and photos of the fault.
❓ FAQs
How long does delivery take?
Orders dispatch in 1–3 business days. Standard delivery 3–7 business days.
Do you ship to all Australian states?
Yes, we ship Australia wide including WA, NT, and all regional areas.
How do I track my order?
A tracking link is emailed once your order is dispatched.
How do I contact support?
Email hello@myhappygift.com.au or call (03) 9961 6069.
Mon–Sat, 9:00 AM – 10:00 PM AEST. We respond within 24 hours.
Are your products covered by warranty?
Yes, every product includes a 12-month manufacturer's warranty.
Curated for Quality
Every product hand-selected to meet our quality standards before it reaches your home
Fast Australian Dispatch
Orders dispatched within 1–3 business days from our Australian warehouses
Responsive Local Support
Australian-based team available Mon–Sat, 9am–10pm AEST. Reply within 24 hours
Backed by Warranty
Every product includes a 12-month manufacturer's warranty — shop with confidence
